1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu104.c
new file mode 100644
index 000000000000..98c80705bc61
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu104.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2018 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "gk104.h"
+#include "cgrp.h"
+#include "changk104.h"
+#include "user.h"
+
+#include <core/gpuobj.h>
+
+#include <nvif/class.h>
+
+static void
+tu104_fifo_runlist_commit(struct gk104_fifo *fifo, int runl,
+			  struct nvkm_memory *mem, int nr)
+{
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u64 addr = nvkm_memory_addr(mem);
+	/*XXX: target? */
+
+	nvkm_wr32(device, 0x002b00 + (runl * 0x10), lower_32_bits(addr));
+	nvkm_wr32(device, 0x002b04 + (runl * 0x10), upper_32_bits(addr));
+	nvkm_wr32(device, 0x002b08 + (runl * 0x10), nr);
+
+	/*XXX: how to wait? can you even wait? */
+}
+
+const struct gk104_fifo_runlist_func
+tu104_fifo_runlist = {
+	.size = 16,
+	.cgrp = gv100_fifo_runlist_cgrp,
+	.chan = gv100_fifo_runlist_chan,
+	.commit = tu104_fifo_runlist_commit,
+};
+
+static const struct nvkm_enum
+tu104_fifo_fault_engine[] = {
+	{ 0x01, "DISPLAY" },
+	{ 0x03, "PTP" },
+	{ 0x06, "PWR_PMU" },
+	{ 0x08, "IFB", NULL, NVKM_ENGINE_IFB },
+	{ 0x09, "PERF" },
+	{ 0x1f, "PHYSICAL" },
+	{ 0x20, "HOST0" },
+	{ 0x21, "HOST1" },
+	{ 0x22, "HOST2" },
+	{ 0x23, "HOST3" },
+	{ 0x24, "HOST4" },
+	{ 0x25, "HOST5" },
+	{ 0x26, "HOST6" },
+	{ 0x27, "HOST7" },
+	{ 0x28, "HOST8" },
+	{ 0x29, "HOST9" },
+	{ 0x2a, "HOST10" },
+	{ 0x2b, "HOST11" },
+	{ 0x2c, "HOST12" },
+	{ 0x2d, "HOST13" },
+	{ 0x2e, "HOST14" },
+	{ 0x80, "BAR1", NULL, NVKM_SUBDEV_BAR },
+	{ 0xc0, "BAR2", NULL, NVKM_SUBDEV_INSTMEM },
+	{}
+};
+
+static void
+tu104_fifo_pbdma_init(struct gk104_fifo *fifo)
+{
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	const u32 mask = (1 << fifo->pbdma_nr) - 1;
+	/*XXX: this is a bit of a guess at this point in time. */
+	nvkm_mask(device, 0xb65000, 0x80000fff, 0x80000000 | mask);
+}
+
+static const struct gk104_fifo_pbdma_func
+tu104_fifo_pbdma = {
+	.nr = gm200_fifo_pbdma_nr,
+	.init = tu104_fifo_pbdma_init,
+	.init_timeout = gk208_fifo_pbdma_init_timeout,
+};
+
+static const struct gk104_fifo_func
+tu104_fifo = {
+	.pbdma = &tu104_fifo_pbdma,
+	.fault.access = gv100_fifo_fault_access,
+	.fault.engine = tu104_fifo_fault_engine,
+	.fault.reason = gv100_fifo_fault_reason,
+	.fault.hubclient = gv100_fifo_fault_hubclient,
+	.fault.gpcclient = gv100_fifo_fault_gpcclient,
+	.runlist = &tu104_fifo_runlist,
+	.user = {{-1,-1,VOLTA_USERMODE_A       }, tu104_fifo_user_new   },
+	.chan = {{ 0, 0,TURING_CHANNEL_GPFIFO_A}, tu104_fifo_gpfifo_new },
+	.cgrp_force = true,
+};
+
+int
+tu104_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
+{
+	return gk104_fifo_new_(&tu104_fifo, device, index, 4096, pfifo);
+}